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C++ Institute Exam CPP Topic 6 Question 82 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 82
Topic #: 6
[All CPP Questions]

What happens when you attempt to compile and run the following code?

#include

#include

using namespace std;

template

class A {

T_v;

public:

A() {}

A(T v): _v(v){}

T getV() { return _v; }

void add(T & a);

void add(string & a);

};

template

void A::add(T & a) { _v+=a; }

void A::add(string & a) {

_v.insert(0, a);

}

int main()

{

Aa("Hello");

string s(" world!");

a.add(s);

cout << a.getV() <

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: B

Contribute your Thoughts:

Lashaunda
5 months ago
I'm not sure, but I think there might be a compilation error
upvoted 0 times
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Nana
6 months ago
I'm with User 1, I think the program will display: Hello world!
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Herminia
6 months ago
I disagree, I believe there will be a compilation error
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Meaghan
6 months ago
I think the program will display: Hello world!
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Lazaro
7 months ago
Because the add function for string is not defined in the class template.
upvoted 0 times
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Tamera
7 months ago
Why does that happen?
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Lazaro
7 months ago
Template specialization error
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Tamera
7 months ago
What error will be displayed?
upvoted 0 times
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Lazaro
7 months ago
B) compilation error
upvoted 0 times
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